The T’au Empire, also spelled Tau Empire in older records and pronounced “TOW Empire,” is a rapidly expanding xenos stellar empire situated within the Imperium of Man’s Ultima Segmentum, near the Eastern Fringes of the Milky Way Galaxy. The T’au Empire was founded by the T’au caste called the Ethereals, who lead the T’au Empire in the name of the philosophy they have named the Greater Good. Several intelligent alien races (the Kroot, Vespid, Nicassar, Demiurg and even some Humans who have turned their backs on the Imperium, known as Gue’vesa in the T’au Lexicon) have allied themselves with the T’au. The T’au Empire borders the Imperium of Man, and lies within the reach of the Astronomican.
L J Koh